Storm Shelter Roof

Standard on the design and construction of storm shelters icc 500.

Storm shelter roof.

Design and construction guidance for community shelters fema 361. The plywood should extend over the. Each pipe should extend 3 feet over the roof of the shelter after it has been covered and at least 3 feet from the roof into the shelter. These pipes will be the shelter s ventilation system.

A concrete slab over the roof framing to overcome wind uplift forces. Building a safe room inside your house fema 320. Taking shelter from the storm. Steel and plywood sheathing is fastened with either 3 in.

Deck screws are driven through pilot holes spaced every 6 in. The system is engineered and tested to resist extreme winds and debris impact as defined by the fema 361 design and construction guidance for community safe rooms for. Building the roof step 1 anchor 1 inch plywood to the top of the cinder block walls using 3 inch concrete screws. A storm shelter is a safe place that you can use to take refuge during a catastrophic storm event such as a tornado or a hurricane.

A steel door mounted in a steel frame for a storm shelter with three deadbolts located opposite heavy duty hinges lets only people and pets into the room not door busting debris. The storm shelter roof structure is also subject to substantial wind uplift pressures. Federal emergency management agency 2004. Storm shelter roof assembly design the perform a deck and series 300 metal roof and deck assembly sets the standard for the hurricane and tornado enhanced roofing envelope.

This may require increasing roof framing sizes strength additional bracing for roof framing elements not commonly provided in conventional building design and or adding a weight e g.